Optimizing of NC tool paths for five-axis milling using evolutionary algorithms on wavelets

Computer aided NC-path generation of five-axis milling using a standard CAM-system does usually not take machine dynamics and kinematics into account. This results in machine movements which are often not smooth enough and lead to a deficient surface quality. In order to reduce undesirable abrupt motion changes, an approach for optimizing the NC-path by using a standard evolution strategy is shown in this paper as well as first results of applying this algorithm to the five-axis milling process.

[1]  Erik L.J. Bohez,et al.  On 5-Axis Freeform Surface Machining Optimization: Vector Field Clustering Approach , 2005 .

[2]  Klaus Weinert,et al.  Generating Multiaxis Tool Paths for Die and Mold Making with Evolutionary Algorithms , 2004, GECCO.

[3]  Yongtae Jun,et al.  Interference-free tool path generation in five-axis machining of a marine propeller , 2003 .

[4]  Joung-Hahn Yoon,et al.  Tool tip gouging avoidance and optimal tool positioning for 5-axis sculptured surface machining , 2003 .

[5]  Hans-Paul Schwefel,et al.  Evolution and optimum seeking , 1995, Sixth-generation computer technology series.

[6]  Hartmut Noltemeier,et al.  Geometric Modelling , 1998, Computing Supplement.

[7]  G. Brunnett.  Geometric Modelling , 1995, Computing Supplement.

[8]  Xin Yao,et al.  Fast Evolution Strategies , 1997, Evolutionary Programming.

[9]  Hans-Paul Schwefel,et al.  Evolution strategies – A comprehensive introduction , 2002, Natural Computing.

[10]  Andreas Zell,et al.  Evolution strategy with neighborhood attraction – a robust evolution strategy , 2001 .

[11]  Dinesh Manocha,et al.  V-COLLIDE: accelerated collision detection for VRML , 1997, VRML '97.

[12]  Thomas Ertl,et al.  Computer Graphics - Principles and Practice, 3rd Edition , 2014 .

[13]  K. Weinert,et al.  GEOMETRIC SIMULATION OF THE MILLING PROCESS FOR FREE FORMED SURFACES , 2003 .

[14]  Paul K. Wright,et al.  Toolpath optimization for minimizing airtime during machining , 2003 .

[15]  M. Carter.  Computer graphics: Principles and practice , 1997 .

[16]  雛元 孝夫,et al.  ウェーブレット変換の基礎 = Wavelets made easy , 2000 .

[17]  Paul Wintz,et al.  Digital image processing (2nd ed.) , 1987 .

[18]  Hans-Paul Schwefel,et al.  A comprehensive introduction , 2002 .

[19]  K. Weinert,et al.  THE APPLICATION OF MULTIOBJECTIVE EVOLUTIONARY ALGORITHMS TO THE GENERATION OF OPTIMIZED TOOL PATHS FOR MULTI-AXIS DIE AND MOULD MAKING , 2004 .

[20]  Hans-Paul Schwefel,et al.  Evolution and Optimum Seeking: The Sixth Generation , 1993 .

[21]  Michael E. Mortenson,et al.  Geometric Modeling , 2008, Encyclopedia of GIS.

[22]  Ming C. Lin,et al.  Collision Detection between Geometric Models: A Survey , 1998 .